Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10688430 | Cleanable filter | Mark V. Holzmann, Robert A. Bannister, Scott W. Schwartz, Brian W. Schwandt, Steven R. Sankbeil +3 more | 2020-06-23 |
| 10507419 | Cleanable filter | Mark V. Holzmann, Robert A. Bannister, Scott W. Schwartz, Brian W. Schwandt, Steven R. Sankbeil +3 more | 2019-12-17 |
| 9387424 | V-shaped filter and fixture | Mark V. Holzmann, Scott W. Schwartz | 2016-07-12 |
| 8764870 | V-shaped filter and fixture | Mark V. Holzmann, Scott W. Schwartz | 2014-07-01 |